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An Autonomous Social Robot in Fear 恐惧中的自主社交机器人
Pub Date : 2013-06-01 DOI: 10.1109/TAMD.2012.2234120
Álvaro Castro González, M. Malfaz, M. Salichs
Currently artificial emotions are being extensively used in robots. Most of these implementations are employed to display affective states. Nevertheless, their use to drive the robot's behavior is not so common. This is the approach followed by the authors in this work. In this research, emotions are not treated in general but individually. Several emotions have been implemented in a real robot, but in this paper, authors focus on the use of the emotion of fear as an adaptive mechanism to avoid dangerous situations. In fact, fear is used as a motivation which guides the behavior during specific circumstances. Appraisal of fear is one of the cornerstones of this work. A novel mechanism learns to identify the harmful circumstances which cause damage to the robot. Hence, these circumstances elicit the fear emotion and are known as fear releasers. In order to prove the advantages of considering fear in our decision making system, the robot's performance with and without fear are compared and the behaviors are analyzed. The robot's behaviors exhibited in relation to fear are natural, i.e., the same kind of behaviors can be observed on animals. Moreover, they have not been preprogrammed, but learned by real inter actions in the real world. All these ideas have been implemented in a real robot living in a laboratory and interacting with several items and people.
目前,人工情感被广泛应用于机器人。这些实现大多用于显示情感状态。然而,用它们来驱动机器人的行为并不常见。这是作者在这项工作中所遵循的方法。在这项研究中,情绪不是一般的,而是个别的。在真实的机器人中已经实现了几种情绪,但在本文中,作者将重点放在使用恐惧情绪作为一种适应机制来避免危险情况。事实上,恐惧被用作在特定情况下指导行为的动机。对恐惧的评估是这项工作的基石之一。一种新的机制可以学习识别对机器人造成损害的有害环境。因此,这些环境引发恐惧情绪,被称为恐惧释放。为了证明在我们的决策系统中考虑恐惧的优势,比较了机器人在有恐惧和没有恐惧时的表现,并对其行为进行了分析。机器人表现出的与恐惧相关的行为是自然的,即在动物身上也可以观察到同样的行为。此外,它们不是预先编程的,而是通过现实世界中的真实互动学习的。所有这些想法都已经在一个真实的机器人身上实现了,它生活在一个实验室里,与几个物品和人互动。
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引用次数: 26
Redundant Neural Vision Systems—Competing for Collision Recognition Roles 冗余神经视觉系统:碰撞识别角色的竞争
Pub Date : 2013-06-01 DOI: 10.1109/TAMD.2013.2255050
Shigang Yue, F. Rind
Ability to detect collisions is vital for future robots that interact with humans in complex visual environments. Lobula giant movement detectors (LGMD) and directional selective neurons (DSNs) are two types of identified neurons found in the visual pathways of insects such as locusts. Recent modeling studies showed that the LGMD or grouped DSNs could each be tuned for collision recognition. In both biological and artificial vision systems, however, which one should play the collision recognition role and the way the two types of specialized visual neurons could be functioning together are not clear. In this modeling study, we compared the competence of the LGMD and the DSNs, and also investigate the cooperation of the two neural vision systems for collision recognition via artificial evolution. We implemented three types of collision recognition neural subsystems - the LGMD, the DSNs and a hybrid system which combines the LGMD and the DSNs subsystems together, in each individual agent. A switch gene determines which of the three redundant neural subsystems plays the collision recognition role. We found that, in both robotics and driving environments, the LGMD was able to build up its ability for collision recognition quickly and robustly therefore reducing the chance of other types of neural networks to play the same role. The results suggest that the LGMD neural network could be the ideal model to be realized in hardware for collision recognition.
检测碰撞的能力对于未来机器人在复杂的视觉环境中与人类互动至关重要。巨叶运动检测器(LGMD)和定向选择神经元(dsn)是蝗虫等昆虫视觉通路中发现的两种已识别的神经元。最近的建模研究表明,LGMD或分组dsn都可以用于碰撞识别。然而,在生物视觉系统和人工视觉系统中,哪一种视觉神经元应该扮演碰撞识别的角色,以及这两种特殊的视觉神经元如何协同工作,目前还不清楚。在建模研究中,我们比较了LGMD和dsn的能力,并通过人工进化研究了两种神经视觉系统在碰撞识别中的合作。我们在每个单独的代理中实现了三种类型的碰撞识别神经子系统- LGMD, dsn和将LGMD和dsn子系统结合在一起的混合系统。一个开关基因决定了三个冗余神经子系统中哪一个起碰撞识别作用。我们发现,在机器人和驾驶环境中,LGMD都能够快速而稳健地建立起碰撞识别能力,从而减少了其他类型的神经网络发挥同样作用的机会。结果表明,LGMD神经网络是一种理想的碰撞识别硬件实现模型。
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引用次数: 48
Brain-Like Emergent Temporal Processing: Emergent Open States 类脑突发时间处理:突发开放状态
Pub Date : 2013-06-01 DOI: 10.1109/TAMD.2013.2258398
J. Weng, M. Luciw, Qi Zhang
Informed by brain anatomical studies, we present the developmental network (DN) theory on brain-like temporal information processing. The states of the brain are at its effector end, emergent and open. A finite automaton (FA) is considered an external symbolic model of brain's temporal behaviors, but the FA uses handcrafted states and is without “internal” representations. The term “internal” means inside the network “skull.” Using action-based state equivalence and the emergent state representations, the time driven processing of DN performs state-based abstraction and state-based skill transfer. Each state of DN, as a set of actions, is openly observable by the external environment (including teachers). Thus, the external environment can teach the state at every frame time. Through incremental learning and autonomous practice, the DN lumps (abstracts) infinitely many temporal context sequences into a single equivalent state. Using this state equivalence, a skill learned under one sequence is automatically transferred to other infinitely many state-equivalent sequences in the future without the need for explicit learning. Two experiments are shown as examples: The experiments for video processing showed almost perfect recognition rates in disjoint tests. The experiment for text language, using corpora from the Wall Street Journal, treated semantics and syntax in a unified interactive way.
在脑解剖学研究的基础上,我们提出了类脑时间信息处理的发育网络理论。大脑的状态处于它的效应器末端,突现和开放。有限自动机(FA)被认为是大脑时间行为的外部符号模型,但FA使用手工制作的状态,没有“内部”表示。术语“内部”是指网络内部的“头骨”。利用基于动作的状态等价和紧急状态表示,时间驱动的DN处理实现了基于状态的抽象和基于状态的技能转移。DN的每个状态,作为一组操作,都可以被外部环境(包括教师)公开观察到。因此,外部环境可以在每一帧时间教导状态。通过增量学习和自主实践,DN将无限多个时间上下文序列集中(抽象)成一个单一的等效状态。利用这种状态等价,在一个序列下学习到的技能可以在未来自动转移到其他无限多个状态等价序列中,而无需显式学习。以两个实验为例:视频处理实验在不相交测试中显示出近乎完美的识别率。文本语言实验使用了《华尔街日报》的语料库,以统一的交互方式处理语义和语法。
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引用次数: 8
Reaching for the Unreachable: Reorganization of Reaching with Walking. 接触无法接触的人:重组 "用走的方式到达"。
Pub Date : 2013-06-01 DOI: 10.1109/TAMD.2013.2255872
Beata J Grzyb, Linda B Smith, Angel P Del Pobil

Previous research suggests that reaching and walking behaviors may be linked developmentally as reaching changes at the onset of walking. Here we report new evidence on an apparent loss of the distinction between the reachable and nonreachable distances as children start walking. The experiment compared nonwalkers, walkers with help, and independent walkers in a reaching task to targets at varying distances. Reaching attempts, contact, leaning, and communication behaviors were recorded. Most of the children reached for the unreachable objects the first time it was presented. Nonwalkers, however, reached less on the subsequent trials showing clear adjustment of their reaching decisions with the failures. On the contrary, walkers consistently attempted reaches to targets at unreachable distances. We suggest that these reaching errors may result from inappropriate integration of reaching and locomotor actions, attention control and near/far visual space. We propose a reward-mediated model implemented on a NAO humanoid robot that replicates the main results from our study showing an increase in reaching attempts to nonreachable distances after the onset of walking.

以前的研究表明,伸手和行走行为在发育过程中可能存在联系,因为伸手行为在开始行走时会发生变化。在此,我们报告了一些新的证据,证明儿童在开始行走时明显失去了对可够到的距离和不可够到的距离的区分。实验比较了非步行者、在他人帮助下步行者和独立步行者对不同距离目标的伸手任务。实验记录了儿童的伸手尝试、接触、倾斜和交流行为。大多数儿童在第一次出现无法触及的物体时都会伸手去够。然而,非步行者在随后的试验中伸手的次数较少,这表明他们的伸手决定在失败后会有明显的调整。相反,学步儿童却总是试图伸手去够无法够到的目标。我们认为,这些伸手错误可能是由于伸手动作与运动动作、注意力控制和近/远视觉空间的不恰当整合造成的。我们提出了一个在 NAO 人形机器人上实施的奖励中介模型,该模型复制了我们研究的主要结果,即在开始步行后,对不可触及距离的伸手尝试有所增加。
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引用次数: 0
The Coordinating Role of Language in Real-Time Multimodal Learning of Cooperative Tasks 语言在协作任务实时多模态学习中的协调作用
Pub Date : 2013-03-01 DOI: 10.1109/TAMD.2012.2209880
Maxime Petit, S. Lallée, Jean-David Boucher, G. Pointeau, Pierrick Cheminade, D. Ognibene, E. Chinellato, U. Pattacini, I. Gori, Uriel Martinez-Hernandez, Hector Barron-Gonzalez, Martin Inderbitzin, Andre L. Luvizotto, V. Vouloutsi, Y. Demiris, G. Metta, Peter Ford Dominey
One of the defining characteristics of human cognition is our outstanding capacity to cooperate. A central requirement for cooperation is the ability to establish a “shared plan”—which defines the interlaced actions of the two cooperating agents—in real time, and even to negotiate this shared plan during its execution. In the current research we identify the requirements for cooperation, extending our earlier work in this area. These requirements include the ability to negotiate a shared plan using spoken language, to learn new component actions within that plan, based on visual observation and kinesthetic demonstration, and finally to coordinate all of these functions in real time. We present a cognitive system that implements these requirements, and demonstrate the system's ability to allow a Nao humanoid robot to learn a nontrivial cooperative task in real-time. We further provide a concrete demonstration of how the real-time learning capability can be easily deployed on a different platform, in this case the iCub humanoid. The results are considered in the context of how the development of language in the human infant provides a powerful lever in the development of cooperative plans from lower-level sensorimotor capabilities.
人类认知的一个决定性特征是我们卓越的合作能力。协作的一个核心要求是能够实时地建立一个“共享计划”——它定义了两个协作代理的交错动作,甚至在执行过程中协商这个共享计划。在目前的研究中,我们确定了合作的需求,扩展了我们在这一领域的早期工作。这些要求包括使用口语协商共享计划的能力,在视觉观察和动觉演示的基础上学习该计划中的新组成部分的动作,并最终实时协调所有这些功能。我们提出了一个实现这些要求的认知系统,并展示了该系统允许Nao类人机器人实时学习重要合作任务的能力。我们进一步提供了一个具体的演示,说明如何将实时学习功能轻松地部署在不同的平台上,在本例中是iCub人形。研究结果被认为是在人类婴儿的语言发展如何为从低水平感觉运动能力发展合作计划提供强大杠杆的背景下进行的。
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引用次数: 54
Erratum to "Human-Recognizable Robotic Gestures" [Dec 12 305-314] “人类可识别的机器人手势”的勘误表[Dec 12 305-314]
Pub Date : 2013-03-01 DOI: 10.1109/TAMD.2013.2251711
J. Cabibihan, W. So, S. Pramanik
In the above-named article [ibid., vol. 4, no. 4, pp. 305-314, Dec. 2012], the current affiliation within the biography of J.-J. Cabibihan was mistakenly written as Gemalto Singapore, Singapore. That is the current affiliation of S. Pramanik. Dr. Cabibihan's current affiliation is the National University of Singapore.
在上述文章中[同上,第4卷,第2号]。[4, pp. 305-314, 2012年12月],j - j传记中的当前从属关系。Cabibihan被误写成金雅拓新加坡,新加坡。这就是S. Pramanik目前的隶属关系。卡比比汉博士目前就职于新加坡国立大学。
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引用次数: 1
Second Annual IEEE ICDL and EpiRob 2012: Conference Summary and Report 第二届年度IEEE ICDL和EpiRob 2012:会议总结和报告
Pub Date : 2013-03-01 DOI: 10.1109/TAMD.2013.2251764
J. Movellan, M. Schlesinger
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引用次数: 0
Learning Information Acquisition for Multitasking Scenarios in Dynamic Environments 动态环境下多任务场景下的学习信息获取
Pub Date : 2013-03-01 DOI: 10.1109/TAMD.2012.2226241
Cem Karaoguz, Tobias Rodemann, B. Wrede, C. Goerick
Real world environments are so dynamic and unpredictable that a goal-oriented autonomous system performing a set of tasks repeatedly never experiences the same situation even though the task routines are the same. Hence, manually designed solutions to execute such tasks are likely to fail due to such variations. Developmental approaches seek to solve this problem by implementing local learning mechanisms to the systems that can unfold capabilities to achieve a set of tasks through interactions with the environment. However, gathering all the information available in the environment for local learning mechanisms to process is hardly possible due to limited resources of the system. Thus, an information acquisition mechanism is necessary to find task-relevant information sources and applying a strategy to update the knowledge of the system about these sources efficiently in time. A modular systems approach may provide a useful structured and formalized basis for that. In such systems different modules may request access to the constrained system resources to acquire information they are tuned for. We propose a reward-based learning framework that achieves an efficient strategy for distributing the constrained system resources among modules to keep relevant environmental information up to date for higher level task learning and executing mechanisms in the system. We apply the proposed framework to a visual attention problem in a system using the iCub humanoid in simulation.
现实世界的环境是如此动态和不可预测,以至于一个以目标为导向的自治系统反复执行一组任务,即使任务例程是相同的,也永远不会经历相同的情况。因此,手动设计的执行这些任务的解决方案可能会因为这些变化而失败。发展性方法寻求通过对系统实施局部学习机制来解决这个问题,这些机制可以通过与环境的相互作用来展现实现一系列任务的能力。然而,由于系统资源有限,收集环境中可用的所有信息供局部学习机制处理几乎是不可能的。因此,需要一种信息获取机制来查找与任务相关的信息源,并应用策略来及时有效地更新系统对这些信息源的知识。模块化系统方法可以为此提供有用的结构化和形式化基础。在这样的系统中,不同的模块可以请求访问受约束的系统资源,以获取它们所调优的信息。我们提出了一种基于奖励的学习框架,该框架实现了一种有效的策略,在模块之间分配受约束的系统资源,以保持系统中更高级别任务学习和执行机制的相关环境信息的更新。我们将提出的框架应用于一个使用iCub类人仿真系统的视觉注意力问题。
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引用次数: 7
A Survey of the Ontogeny of Tool Use: From Sensorimotor Experience to Planning 工具使用的个体发生研究:从感觉运动经验到计划
Pub Date : 2013-03-01 DOI: 10.1109/TAMD.2012.2209879
Frank Guerin, N. Krüger, D. Kraft
In this paper, we review current knowledge on tool use development in infants in order to provide relevant information to cognitive developmental roboticists seeking to design artificial systems that develop tool use abilities. This information covers: 1) sketching developmental pathways leading to tool use competences; 2) the characterization of learning and test situations; 3) the crystallization of seven mechanisms underlying the developmental process; and 4) the formulation of a number of challenges and recommendations for designing artificial systems that exhibit tool use abilities in complex contexts.
在本文中,我们回顾了目前关于婴儿工具使用发展的知识,以便为寻求设计开发工具使用能力的人工系统的认知发展机器人学家提供相关信息。这些信息包括:1)概述导致工具使用能力的发展途径;2)学习和测试情境的表征;3)发育过程中七大机制的结晶;4)为设计在复杂环境中展示工具使用能力的人工系统提出了一些挑战和建议。
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引用次数: 81
Editorial - TAMD Outstanding Paper Award and Open Access Publication Established 编辑- TAMD杰出论文奖和开放获取出版物成立
Pub Date : 2013-03-01 DOI: 10.1109/TAMD.2013.2251691
Zhengyou Zhang
In an editorial of the IEEE Transactions on Autonomous Mental Development (TAMD) (Vol. 4, No. 3), the author noted the progress made in establishing the IEEE TAMD Outstanding Paper Award to recognize annually outstanding papers published in the TRANSACTIONS. He is pleased to report that the IEEE Technical Activities Board (TAB) has approved the motion and that the IEEE TAMD Outstanding Paper Award will be formally established in 2013. This is the first year the Award will be bestowed. For the current round of competition, any paper published in 2011 (Volume 3) is eligible for consideration. The prize includes a US$1000 honorarium, to be split equally among coauthors, and certificates to the author and coauthors of the selected paper. Please note, no self-nomination is allowed. On another topic, IEEE TAMD is a hybrid transactions allowing either traditional publications or author-pay Open Access (OA) publications. The OA option, if selected, enables unrestricted public access to the article via IEEE Xplore. The OA option will be offered to the author at the time the manuscript is submitted. If selected, the OA fee must be paid before the article is published in the TRANSACTIONS. IEEE currently offers the discounted rate of US$1750 per article. The traditional option, if selected, enables access to all qualified subscribers and purchasers via IEEE Xplore. For the traditional option, no OA payment is required. The IEEE peer review standard of excellence is applied consistently to all submissions. All accepted articles will be included in the print issuemailed to subscribers.
在IEEE自主智力发展汇刊(TAMD)(第4卷,第3期)的一篇社论中,作者指出了建立IEEE TAMD杰出论文奖的进展,该奖项旨在表彰发表在《汇刊》上的年度杰出论文。他很高兴地报告说,IEEE技术活动委员会(TAB)已经批准了这项动议,IEEE TAMD杰出论文奖将于2013年正式设立。这是该奖项首次颁发。在本轮竞赛中,任何发表于2011年的论文(第3卷)都有资格参加竞赛。该奖项包括1000美元的酬金,将在共同作者之间平均分配,并向选定论文的作者和共同作者颁发证书。请注意,不允许自我提名。另一方面,IEEE TAMD是一种混合事务,允许传统出版物或作者付费的开放存取(OA)出版物。如果选择了OA选项,则可以通过IEEE explorer对文章进行不受限制的公共访问。在提交稿件时,将向作者提供OA选项。如果被选中,必须在文章在TRANSACTIONS上发表之前支付OA费用。IEEE目前提供每篇文章1750美元的折扣率。如果选择了传统选项,则可以通过IEEE explorer访问所有合格的订阅者和购买者。对于传统的选择,不需要OA付款。卓越的IEEE同行评审标准始终适用于所有提交的文件。所有被接受的文章都将包含在通过电子邮件发送给订阅者的印刷品中。
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引用次数: 0
期刊
IEEE Transactions on Autonomous Mental Development
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